Light Higgs bosons and supersymmetry

QCD radiative corrections cause a large reduction in the Y->H0+γ decay rate which clouds the interpretation of experimental upper limits on this decay. Electroweak radiative corrections make an important contribution to the lightest Higgs mass in models with supersymmetry broken at low energies. Calculating the Higgs mass and the Y decay branching ratio incorporating these two effects, we find that a light supersymmetric Higgs lurking just beyond the sensitivity of present experiments on Y radiative decays. This Higgs boson may be produced in association with the next-to-lightest Higgs in Z0 decays at a large rate and with a distinctive signature. (orig.)